CVE-2021-47347: wl1251: Fix possible buffer overflow in wl1251_cmd_scan
In the Linux kernel, the following vulnerability has been resolved:
wl1251: Fix possible buffer overflow in wl1251cmdscan
Function wl1251cmdscan calls memcpy without checking the length. Harden by checking the length is within the maximum allowed size.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-47347?
CVE-2021-47347 is classified as a medium-severity vulnerability due to its potential for buffer overflow.
How do I fix CVE-2021-47347?
To fix CVE-2021-47347, ensure that you are running the latest stable version of the Linux kernel where this vulnerability has been patched.
What is the main issue addressed by CVE-2021-47347?
CVE-2021-47347 addresses a possible buffer overflow in the wl1251_cmd_scan function due to unverified memcpy length.
Which versions of the Linux kernel are affected by CVE-2021-47347?
CVE-2021-47347 affects specific versions of the Linux kernel before the fix was implemented in later stable releases.
Who is impacted by CVE-2021-47347?
Users and systems using affected versions of the Linux kernel with the wl1251 driver are impacted by CVE-2021-47347.